// ============================================================
// AMOR & ROMA — comportamiento compartido (todas las páginas)
// ============================================================
(function () {
  "use strict";

  /* ---------- Tema claro / oscuro ---------- */
  const root = document.documentElement;
  const stored = localStorage.getItem("ar-theme");
  const prefersDark = window.matchMedia("(prefers-color-scheme: dark)").matches;
  const initial = stored || (prefersDark ? "dark" : "light");
  root.setAttribute("data-theme", initial);

  document.querySelectorAll("[data-theme-toggle]").forEach((btn) => {
    btn.addEventListener("click", () => {
      const current = root.getAttribute("data-theme");
      const next = current === "dark" ? "light" : "dark";
      root.setAttribute("data-theme", next);
      localStorage.setItem("ar-theme", next);
    });
  });

  /* ---------- Menú móvil ---------- */
  const navToggle = document.querySelector("[data-nav-toggle]");
  const mobileMenu = document.querySelector("[data-mobile-menu]");
  if (navToggle && mobileMenu) {
    navToggle.addEventListener("click", () => {
      mobileMenu.classList.toggle("open");
      const expanded = mobileMenu.classList.contains("open");
      navToggle.setAttribute("aria-expanded", String(expanded));
    });
    mobileMenu.querySelectorAll("a").forEach((a) =>
      a.addEventListener("click", () => mobileMenu.classList.remove("open"))
    );
  }

  /* ---------- Año dinámico en footer ---------- */
  document.querySelectorAll("[data-year]").forEach((el) => {
    el.textContent = new Date().getFullYear();
  });
})();